Earlier this year we wrote about adopting Vagrant and Terraform in our steady march toward Infrastructure as Code. We recently added a new tool to this list, HashiCorp’s Packer. Packer automates building machine images, and with a single set of provisioners, creates images for multiple builders (such as VirtualBox, DigitalOcean, and Google Cloud).
When it comes to creating newsletter campaigns, you have to compile the content and then send that content out through an e-mail marketing service. Having a content management system helps in order to structure your content and automate the creation of the newsletter HTML. Here's an example of a newsletter integration with WordPress and Mailchimp.